Well what other "economics" are there if not "trickle-down" economics? How else, exactly, does wealth get from the rich to the poor if not through employment?

> How else, exactly, does wealth get from the rich to the poor if not through employment?

Taxes.

> Well what other "economics" are there if not "trickle-down" economics?

If the people have money you can make money by making things they want and selling to them.